Added @types/react-dom dependency

Summary: We need this as part of the migration for react-dom types.

Reviewed By: jknoxville

Differential Revision: D16668683

fbshipit-source-id: c50be446ada5539961c89da9f3bd3f240db4ec4c

package.json

@@ -51,6 +51,7 @@
   },
   "devDependencies": {
     "@jest-runner/electron": "^2.0.1",
+    "@types/react-dom": "^16.8.5",
     "@typescript-eslint/eslint-plugin": "^1.11.0",
     "babel-code-frame": "^6.26.0",
     "babel-eslint": "^10.0.1",

yarn.lock

@@ -1129,6 +1129,13 @@
   resolved "https://registry.yarnpkg.com/@types/prop-types/-/prop-types-15.7.1.tgz#f1a11e7babb0c3cad68100be381d1e064c68f1f6"
   integrity sha512-CFzn9idOEpHrgdw8JsoTkaDDyRWk1jrzIV8djzcgpq0y9tG4B4lFT+Nxh52DVpDXV+n4+NPNv7M1Dj5uMp6XFg==
 
+"@types/react-dom@^16.8.5":
+  version "16.8.5"
+  resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.8.5.tgz#3e3f4d99199391a7fb40aa3a155c8dd99b899cbd"
+  integrity sha512-idCEjROZ2cqh29+trmTmZhsBAUNQuYrF92JHKzZ5+aiFM1mlSk3bb23CK7HhYuOY75Apgap5y2jTyHzaM2AJGA==
+  dependencies:
+    "@types/react" "*"
+
 "@types/react-redux@^7.1.0":
   version "7.1.1"
   resolved "https://registry.yarnpkg.com/@types/react-redux/-/react-redux-7.1.1.tgz#eb01e89cf71cad77df9f442b819d5db692b997cb"